use gnulib to detect iconv.
[gnutls:gnutls.git] / configure.ac
1 dnl Process this file with autoconf to produce a configure script.
2 # Copyright (C) 2000-2012 Free Software Foundation, Inc.
3 #
4 # Author: Nikos Mavrogiannopoulos, Simon Josefsson
5 #
6 # This file is part of GnuTLS.
7 #
8 # This program is free software; you can redistribute it and/or modify
9 # it under the terms of the GNU General Public License as published by
10 # the Free Software Foundation; either version 3 of the License, or
11 # (at your option) any later version.
12 #
13 # This program is distributed in the hope that it will be useful, but
14 # WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16 # General Public License for more details.
17 #
18 # You should have received a copy of the GNU General Public License
19 # along with this program; if not, write to the Free Software
20 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
21 # USA
22
23 AC_PREREQ(2.61)
24 AC_INIT([GnuTLS], [3.1.4], [bug-gnutls@gnu.org])
25 AC_CONFIG_AUX_DIR([build-aux])
26 AC_CONFIG_MACRO_DIR([m4])
27
28 AM_INIT_AUTOMAKE([1.11.3 no-dist-gzip dist-xz dist-lzip -Wall -Werror -Wno-override])
29 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
30 AM_CONFIG_HEADER(config.h)
31
32 AC_MSG_RESULT([***
33 *** Checking for compilation programs...
34 ])
35
36 dnl Checks for programs.
37 AC_PROG_CC
38 AM_PROG_AS
39 AC_PROG_CXX
40 gl_EARLY
41
42 # For includes/gnutls/gnutls.h.in.
43 AC_SUBST(MAJOR_VERSION, `echo $PACKAGE_VERSION | sed 's/\(.*\)\..*\..*/\1/g'`)
44 AC_SUBST(MINOR_VERSION, `echo $PACKAGE_VERSION | sed 's/.*\.\(.*\)\..*/\1/g'`)
45 AC_SUBST(PATCH_VERSION, `echo $PACKAGE_VERSION | sed 's/.*\..*\.\(.*\)/\1/g'`)
46 AC_SUBST(NUMBER_VERSION, `printf "0x%02x%02x%02x" $MAJOR_VERSION $MINOR_VERSION $PATCH_VERSION`)
47
48 touch suppressions.valgrind
49 dnl C and C++ capabilities
50 AC_C_INLINE
51 AC_HEADER_STDC
52
53 # For the C++ code
54 AC_ARG_ENABLE(cxx,
55   AS_HELP_STRING([--disable-cxx], [unconditionally disable the C++ library]),
56     use_cxx=$enableval, use_cxx=yes)
57 if test "$use_cxx" != "no"; then
58   AC_LANG_PUSH(C++)
59   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])], use_cxx=yes, use_cxx=no)
60   AC_LANG_POP(C++)
61 fi
62 AM_CONDITIONAL(ENABLE_CXX, test "$use_cxx" != "no")
63 AM_CONDITIONAL(WANT_TEST_SUITE, [test -f tests/suite/mini-eagain2.c])
64
65 dnl Detect windows build
66 case "$host" in
67   *mingw32* | *mingw64*)
68     have_win=yes
69   ;;
70   *darwin*)
71     have_macosx=yes
72   ;;
73   *)
74     have_elf=yes
75   ;;
76 esac
77
78 AM_CONDITIONAL(WINDOWS, test "$have_win" = yes)
79 AM_CONDITIONAL(MACOSX, test "$have_macosx" = yes)
80 AM_CONDITIONAL(ELF, test "$have_elf" = yes)
81
82 dnl Hardware Acceleration
83 AC_ARG_ENABLE(hardware-acceleration,
84   AS_HELP_STRING([--disable-hardware-acceleration], [unconditionally disable hardware acceleration]),
85     use_accel=$enableval, use_accel=yes)
86 hw_accel=none
87
88
89 if test "$use_accel" != "no"; then
90 case $host_cpu in
91   i?86 | x86_64 | amd64)
92 dnl    GCC_FLAG_ADD([-maes -mpclmul],[X86])
93 dnl    if test "x$X86" = "xyes";then
94       AC_CHECK_HEADERS(cpuid.h)
95       if test "$host_cpu" = "x86_64" || test "$host_cpu" = "amd64"; then
96         hw_accel="x86-64"
97       else
98         hw_accel="x86"
99       fi
100 dnl    fi
101   ;;
102   *)
103   ;;
104 esac
105
106 fi
107
108 AM_CONDITIONAL(ASM_X86_64, test x"$hw_accel" = x"x86-64")
109 AM_CONDITIONAL(ASM_X86_32, test x"$hw_accel" = x"x86")
110 AM_CONDITIONAL(ASM_X86, test x"$hw_accel" = x"x86" || test x"$hw_accel" = x"x86-64")
111 AM_CONDITIONAL(HAVE_GCC_GNU89_INLINE_OPTION, test "$gnu89_inline" = "yes"])
112 AM_CONDITIONAL(HAVE_GCC, test "$GCC" = "yes")
113
114 dnl Try the hooks.m4
115 LIBGNUTLS_HOOKS
116 LIBGNUTLS_EXTRA_HOOKS
117
118
119
120 GTK_DOC_CHECK(1.1)
121 AM_GNU_GETTEXT([external])
122 AM_GNU_GETTEXT_VERSION([0.18])
123
124 AC_C_BIGENDIAN
125
126 gl_INIT
127
128 dnl GCC warnings to enable
129
130 AC_ARG_ENABLE([gcc-warnings],
131   [AS_HELP_STRING([--enable-gcc-warnings],
132                   [turn on lots of GCC warnings (for developers)])],
133   [case $enableval in
134      yes|no) ;;
135      *)      AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
136    esac
137    gl_gcc_warnings=$enableval],
138   [gl_gcc_warnings=no]
139 )
140
141 if test "$gl_gcc_warnings" = yes; then
142   gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
143   gl_WARN_ADD([-Wframe-larger-than=5120], [WSTACK_CFLAGS])
144
145   nw="$nw -Wsystem-headers"         # Don't let system headers trigger warnings
146   nw="$nw -Wc++-compat"             # We don't care about C++ compilers
147   nw="$nw -Wundef"                  # Warns on '#if GNULIB_FOO' etc in gnulib
148   nw="$nw -Wtraditional"            # Warns on #elif which we use often
149   nw="$nw -Wlogical-op"             # Too many false positives
150   nw="$nw -Wold-style-definition"   # 
151   nw="$nw -Wpadded"                 # Our structs are not padded
152   nw="$nw -Wunreachable-code"       # Too many false positives
153   nw="$nw -Wtraditional-conversion" # Too many warnings for now
154   nw="$nw -Wcast-qual"              # Too many warnings for now
155   nw="$nw -Waggregate-return"       # Too many warnings for now
156   nw="$nw -Wshadow"                 # Too many warnings for now
157   nw="$nw -Wswitch-default"         # Too many warnings for now
158   nw="$nw -Wswitch-enum"            # Too many warnings for now
159   nw="$nw -Wconversion"             # Too many warnings for now
160   nw="$nw -Wsign-conversion"        # Too many warnings for now
161   nw="$nw -Wformat-y2k"             # Too many warnings for now
162   nw="$nw -Woverlength-strings"     # We use some in tests/
163   nw="$nw -Wvla"                    # There is no point to avoid C99 variable length arrays
164   nw="$nw -Wformat-nonliteral"      # Incompatible with gettext _()
165   nw="$nw -Wunsafe-loop-optimizations"
166   nw="$nw -Wstrict-overflow"
167   nw="$nw -Wmissing-noreturn"
168   nw="$nw -Winline"                 # Too compiler dependent
169   nw="$nw -Wsuggest-attribute=pure" # Is it worth using attributes?
170   nw="$nw -Wsuggest-attribute=const" # Is it worth using attributes?
171   nw="$nw -Wsuggest-attribute=noreturn" # Is it worth using attributes?
172   nw="$nw -Wstack-protector"        # Some functions cannot be protected
173   nw="$nw -Wredundant-decls"        # Some files cannot be compiled with that (gl_fd_to_handle)
174
175   gl_MANYWARN_ALL_GCC([ws])
176   gl_MANYWARN_COMPLEMENT(ws, [$ws], [$nw])
177   for w in $ws; do
178     gl_WARN_ADD([$w])
179   done
180
181   gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one
182   gl_WARN_ADD([-Wno-format-y2k])     # Too many warnings for now
183   gl_WARN_ADD([-Wno-unused-value]) # warnings for things we don't want to get
184   gl_WARN_ADD([-Wno-unused-result]) # warnings for things we don't want to get
185   gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now
186   gl_WARN_ADD([-Wno-stack-protector])  # Some functions cannot be protected
187   gl_WARN_ADD([-Wno-int-to-pointer-cast])  # Some files cannot be compiled with that (gl_fd_to_handle)
188   gl_WARN_ADD([-fdiagnostics-show-option])
189 fi
190
191 AC_SUBST([WERROR_CFLAGS])
192 AC_SUBST([WSTACK_CFLAGS])
193 AC_SUBST([WARN_CFLAGS])
194
195 dnl Programs for compilation or development
196 AC_PROG_LN_S
197 AC_LIBTOOL_WIN32_DLL
198 AC_PROG_LIBTOOL
199
200
201 dnl No fork on MinGW, disable some self-tests until we fix them.
202 AC_CHECK_FUNCS([fork getrusage getpwuid_r daemon],,)
203 AM_CONDITIONAL(HAVE_FORK, test "$ac_cv_func_fork" != "no")
204 AC_LIB_HAVE_LINKFLAGS(pthread,, [#include <pthread.h>], [pthread_mutex_lock (0);])
205
206 AC_MSG_CHECKING([whether to build libdane])
207 AC_ARG_ENABLE(libdane,
208     AS_HELP_STRING([--disable-libdane],
209                    [disable the built of libdane]),
210     enable_dane=$enableval, enable_dane=yes)
211 AC_MSG_RESULT($enable_dane)
212
213 if test "$enable_dane" != "no"; then
214     LIBS="$oldlibs -lunbound"
215     AC_MSG_CHECKING([for unbound library])
216     AC_LINK_IFELSE([AC_LANG_PROGRAM([
217                    #include <unbound.h>],[
218                    struct ub_ctx* ctx;
219                    ctx = ub_ctx_create();])],
220                   [AC_MSG_RESULT(yes)
221                    AC_SUBST([UNBOUND_LIBS], [-lunbound])
222                    AC_SUBST([UNBOUND_CFLAGS], [])
223                    AC_DEFINE([HAVE_DANE], 1, [Enable the DANE library])
224                    enable_dane=yes],
225                   [AC_MSG_RESULT(no)
226                    AC_MSG_WARN([[
227 *** 
228 *** libunbound was not found. Libdane will not be built.
229 *** ]])
230                   enable_dane=no])
231     LIBS="$oldlibs"
232 fi
233
234 AM_CONDITIONAL(ENABLE_DANE, test "$enable_dane" = "yes")
235
236 AC_ARG_WITH(unbound-root-key-file, AS_HELP_STRING([--with-unbound-root-key-file],
237                                  [specify the unbound root key file]),
238             unbound_root_key_file="$withval", 
239 if test "$have_win" = yes; then
240     unbound_root_key_file="C:\\Program Files\\Unbound\\root.key"
241 else
242     unbound_root_key_file="/etc/unbound/root.key"
243 fi
244 )
245
246 AC_DEFINE_UNQUOTED([UNBOUND_ROOT_KEY_FILE],
247   ["$unbound_root_key_file"], [The DNSSEC root key file])
248
249
250 dnl Check for p11-kit
251 AC_ARG_WITH(p11-kit,
252         AS_HELP_STRING([--without-p11-kit],
253                 [Build without p11-kit and PKCS#11 support]))
254 if test "$with_p11_kit" != "no"; then
255         PKG_CHECK_MODULES(P11_KIT, [p11-kit-1 >= 0.11], [with_p11_kit=yes], [with_p11_kit=no])
256         if test "$with_p11_kit" != "no";then
257                 AC_DEFINE([ENABLE_PKCS11], 1, [Build PKCS#11 support])
258                 if test "x$GNUTLS_REQUIRES_PRIVATE" = "x"; then
259                         GNUTLS_REQUIRES_PRIVATE="Requires.private: p11-kit-1"
260                 else
261                         GNUTLS_REQUIRES_PRIVATE="${GNUTLS_REQUIRES_PRIVATE}, p11-kit-1"
262                 fi
263         else
264                 with_p11_kit=no
265                 AC_MSG_WARN([[
266 *** 
267 *** p11-kit was not found. PKCS #11 support will be disabled.
268 *** You may get it from http://p11-glue.freedesktop.org/p11-kit.html
269 *** ]])
270         fi
271 fi
272
273 AM_CONDITIONAL(ENABLE_PKCS11, test "$with_p11_kit" != "no")
274
275 AC_ARG_WITH(tpm,
276         AS_HELP_STRING([--without-tpm],
277                 [Build without TPM (trousers) support]))
278 if test "$with_tpm" != "no"; then
279     LIBS="$oldlibs -ltspi"
280     AC_MSG_CHECKING([for tss library])
281     AC_LINK_IFELSE([AC_LANG_PROGRAM([
282                    #include <trousers/tss.h>
283                    #include <trousers/trousers.h>],[
284                    int err = Tspi_Context_Create((void *)0);
285                    Trspi_Error_String(err);])],
286                   [AC_MSG_RESULT(yes)
287                    AC_SUBST([TSS_LIBS], [-ltspi])
288                    AC_SUBST([TSS_CFLAGS], [])
289                    AC_DEFINE([HAVE_TROUSERS], 1, [Enable TPM])
290                    with_tpm=yes],
291                   [AC_MSG_RESULT(no)
292                    AC_MSG_WARN([[
293 *** 
294 *** trousers was not found. TPM support will be disabled.
295 *** ]])
296                   with_tpm=no])
297     LIBS="$oldlibs"
298 fi
299
300 AM_CONDITIONAL(ENABLE_TROUSERS, test "$with_tpm" != "no")
301
302 enable_local_libopts=yes
303 dnl PKG_CHECK_MODULES([autoopts], autoopts >= 36.2.11,, [enable_local_libopts=yes])
304
305 NEED_LIBOPTS_DIR=true
306 LIBOPTS_CHECK([src/libopts])
307
308 AC_CHECK_TYPE(ssize_t,
309   [
310     DEFINE_SSIZE_T="#include <sys/types.h>"
311     AC_SUBST(DEFINE_SSIZE_T)
312   ], [
313     AC_DEFINE([NO_SSIZE_T], 1, [no ssize_t type was found])
314     DEFINE_SSIZE_T="typedef int ssize_t;"
315     AC_SUBST(DEFINE_SSIZE_T)
316   ], [
317     #include <sys/types.h>
318   ])
319
320 # For minitasn1.
321 AC_CHECK_SIZEOF(unsigned long int, 4)
322 AC_CHECK_SIZEOF(unsigned int, 4)
323
324 AC_ARG_WITH(zlib, AS_HELP_STRING([--without-zlib],
325                                  [disable zlib compression support]),
326             ac_zlib=$withval, ac_zlib=yes)
327 AC_MSG_CHECKING([whether to include zlib compression support])
328 if test x$ac_zlib != xno; then
329  AC_MSG_RESULT(yes)
330  AC_LIB_HAVE_LINKFLAGS(z,, [#include <zlib.h>], [compress (0, 0, 0, 0);])
331  if test x$ac_cv_libz != xyes; then
332    AC_MSG_WARN(
333 *** 
334 *** ZLIB was not found. You will not be able to use ZLIB compression.)
335  fi
336 else
337  AC_MSG_RESULT(no)
338 fi
339
340 PKG_CHECK_EXISTS(zlib, ZLIB_HAS_PKGCONFIG=y, ZLIB_HAS_PKGCONFIG=n)
341
342 if test x$ac_zlib != xno; then
343   if test "$ZLIB_HAS_PKGCONFIG" = "y" ; then
344     if test "x$GNUTLS_REQUIRES_PRIVATE" = x; then
345       GNUTLS_REQUIRES_PRIVATE="Requires.private: zlib"
346     else
347       GNUTLS_REQUIRES_PRIVATE="$GNUTLS_REQUIRES_PRIVATE, zlib"
348     fi
349   else
350     GNUTLS_ZLIB_LIBS_PRIVATE="$LTLIBZ"
351   fi
352 fi
353 AC_SUBST(GNUTLS_REQUIRES_PRIVATE)
354 AC_SUBST(GNUTLS_ZLIB_LIBS_PRIVATE)
355
356
357
358
359 AC_ARG_WITH([default-trust-store-pkcs11],
360   [AS_HELP_STRING([--with-default-trust-store-pkcs11=URI],
361     [use the given pkcs11 uri as default trust store])])
362
363 if test "x$with_default_trust_store_pkcs11" != x; then
364   if test "x$with_p11_kit" = xno; then
365     AC_MSG_ERROR([cannot use pkcs11 store without p11-kit])
366   fi
367   AC_DEFINE_UNQUOTED([DEFAULT_TRUST_STORE_PKCS11],
368     ["$with_default_trust_store_pkcs11"], [use the given pkcs11 uri as default trust store])
369 fi
370
371 AC_ARG_WITH([default-trust-store-file],
372   [AS_HELP_STRING([--with-default-trust-store-file=FILE],
373     [use the given file default trust store])])
374
375 AC_ARG_WITH([default-crl-file],
376   [AS_HELP_STRING([--with-default-crl-file=FILE],
377     [use the given CRL file as default])])
378
379 if test "x$with_default_trust_store_pkcs11" = x -a "x$with_default_trust_store_file" = x; then
380   # auto detect http://lists.gnu.org/archive/html/help-gnutls/2012-05/msg00004.html
381   for i in \
382     /etc/ssl/certs/ca-certificates.crt \
383     /etc/pki/tls/cert.pem \
384     /usr/local/share/certs/ca-root-nss.crt \
385     /etc/ssl/cert.pem
386     do
387     if test -e $i; then
388       with_default_trust_store_file="$i"
389       break
390     fi
391   done
392 fi
393
394 if test "x$with_default_trust_store_file" != x; then
395   AC_DEFINE_UNQUOTED([DEFAULT_TRUST_STORE_FILE],
396     ["$with_default_trust_store_file"], [use the given file default trust store])
397 fi
398
399 if test "x$with_default_crl_file" != x; then
400   AC_DEFINE_UNQUOTED([DEFAULT_CRL_FILE],
401     ["$with_default_crl_file"], [use the given CRL file])
402 fi
403
404 dnl Guile bindings.
405 opt_guile_bindings=yes
406 AC_MSG_CHECKING([whether building Guile bindings])
407 AC_ARG_ENABLE(guile,
408         AS_HELP_STRING([--enable-guile], [build GNU Guile bindings]),
409 opt_guile_bindings=$enableval)
410 AC_MSG_RESULT($opt_guile_bindings)
411
412 AC_ARG_WITH([--with-guile-site-dir],
413   [AS_HELP_STRING([--with-guile-site-dir],
414      [use the given directory as the Guile site (use with care)])])
415
416 if test "$opt_guile_bindings" = "yes"; then
417    AC_MSG_RESULT([***
418 *** Detecting GNU Guile...
419 ])
420
421    AC_PATH_PROG([guile_snarf], [guile-snarf])
422    if test "x$guile_snarf" = "x"; then
423       AC_MSG_WARN([`guile-snarf' from Guile 1.8 not found.  Guile bindings not built.])
424       opt_guile_bindings=no
425    else
426       GUILE_PROGS
427       GUILE_FLAGS
428
429       save_CFLAGS="$CFLAGS"
430       save_LIBS="$LIBS"
431       CFLAGS="$CFLAGS $GUILE_CFLAGS"
432       LIBS="$LIBS $GUILE_LDFLAGS"
433       AC_MSG_CHECKING([whether GNU Guile is recent enough])
434       AC_LINK_IFELSE([AC_LANG_PROGRAM([], [scm_from_locale_string ("")])],
435         [], [opt_guile_bindings=no])
436       CFLAGS="$save_CFLAGS"
437       LIBS="$save_LIBS"
438
439       if test "$opt_guile_bindings" = "yes"; then
440         AC_MSG_RESULT([yes])
441         case "x$with_guile_site_dir" in 
442              xno)
443                 # Use the default $(GUILE_SITE).
444                 GUILE_SITE_DIR
445                 ;;
446              x|xyes)
447                 # Automatically derive $(GUILE_SITE) from $(pkgdatadir).  This
448                 # hack is used to allow `distcheck' to work (see
449                 # `DISTCHECK_CONFIGURE_FLAGS' in the top-level `Makefile.am').
450                 GUILE_SITE="\$(datadir)/guile/site"
451                 AC_SUBST(GUILE_SITE)
452                 ;;
453              *)
454                 # Use the user-specified directory as $(GUILE_SITE).
455                 GUILE_SITE="$with_guile_site_dir"
456                 AC_SUBST(GUILE_SITE)
457                 ;;
458         esac
459         AC_MSG_CHECKING([whether gcc supports -fgnu89-inline])
460         _gcc_cflags_save="$CFLAGS"
461         CFLAGS="${CFLAGS} -fgnu89-inline"
462         AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
463                           gnu89_inline=yes, gnu89_inline=no)
464         AC_MSG_RESULT($gnu89_inline)
465         CFLAGS="$_gcc_cflags_save"
466
467         # Optional Guile functions.
468         save_CFLAGS="$CFLAGS"
469         save_LIBS="$LIBS"
470         CFLAGS="$CFLAGS $GUILE_CFLAGS"
471         LIBS="$LIBS $GUILE_LDFLAGS"
472         AC_CHECK_FUNCS([scm_gc_malloc_pointerless])
473         CFLAGS="$save_CFLAGS"
474         LIBS="$save_LIBS"
475
476         # The place where guile-gnutls.la will go.
477         AC_MSG_CHECKING([the Guile effective version])
478         guile_effective_version="`$GUILE -c '(display (effective-version))'`"
479         AC_MSG_RESULT([$guile_effective_version])
480         guileextensiondir="$libdir/guile/$guile_effective_version"
481         AC_SUBST([guileextensiondir])
482       else
483         AC_MSG_RESULT([no])
484         AC_MSG_WARN([A sufficiently recent GNU Guile not found.  Guile bindings not built.])
485         opt_guile_bindings=no
486       fi
487    fi
488 fi
489 AM_CONDITIONAL(HAVE_GUILE, test "$opt_guile_bindings" = "yes")
490
491 LIBGNUTLS_LIBS="-L${libdir} -lgnutls $LIBS"
492 LIBGNUTLS_CFLAGS="-I${includedir}"
493 AC_SUBST(LIBGNUTLS_LIBS)
494 AC_SUBST(LIBGNUTLS_CFLAGS)
495
496
497 AC_DEFINE([GNUTLS_COMPAT_H], 1, [Make sure we don't use old features in code.])
498 AC_DEFINE([GNUTLS_INTERNAL_BUILD], 1, [We allow temporarily usage of deprecated functions - until they are removed.])
499
500 AC_DEFINE([fread_file], [_gnutls_fread_file], [static lib rename])
501 AC_DEFINE([read_file], [_gnutls_read_file], [static lib rename])
502 AC_DEFINE([read_binary_file], [_gnutls_read_binary_file], [static lib rename])
503
504 dnl Crywrap dependencies
505    AC_MSG_RESULT([***
506 *** Checking dependencies for crywrap...
507 ])
508
509 crywrap=no
510
511 if test "$have_win" != "yes"; then
512
513 AC_CHECK_HEADERS([arpa/inet.h netinet/in.h sys/select.h sys/types.h sys/wait.h])
514
515 dnl **********************
516 dnl * Typedefs & co
517 dnl **********************
518 AC_CACHE_CHECK([return type of signal handlers],[ac_cv_type_signal],[AC_COMPILE_IFELSE(
519 [AC_LANG_PROGRAM([#include <sys/types.h>
520 #include <signal.h>
521 ],
522                  [return *(signal (0, 0)) (0) == 1;])],
523                    [ac_cv_type_signal=int],
524                    [ac_cv_type_signal=void])])
525 AC_DEFINE_UNQUOTED([RETSIGTYPE],[$ac_cv_type_signal],[Define as the return type of signal handlers
526                     (`int' or `void').])
527
528 AC_FUNC_SELECT_ARGTYPES
529 AC_CHECK_FUNCS([alarm atexit dup2 epoll_create kqueue memchr memset munmap \
530                 putenv regcomp scandir select socket strcasecmp strchr \
531                 strdup strerror strncasecmp strrchr strstr strtoul uname])
532
533 AC_ARG_ENABLE(crywrap,
534         AS_HELP_STRING([--disable-crywrap], [unconditionally disable the crywrap TLS proxy service]))
535
536  libidn=no
537
538  if test "x$enable_crywrap" != "xno" ; then
539         PKG_CHECK_MODULES(LIBIDN, libidn >= 0.0.0, [libidn=yes], [libidn=no])
540  fi
541
542  if test "x$libidn" != "xno" && test "$ac_cv_func_daemon" != "no";then
543   crywrap=yes
544  fi
545
546 fi
547
548 AM_CONDITIONAL(ENABLE_CRYWRAP, test "x$crywrap" != "xno")
549 rm -f suppressions.valgrind
550 dnl end of crywrap requirements
551
552 AC_CONFIG_FILES([guile/pre-inst-guile], [chmod +x guile/pre-inst-guile])
553 AC_CONFIG_FILES([
554   Makefile
555   doc/Makefile
556   doc/credentials/Makefile
557   doc/credentials/openpgp/Makefile
558   doc/credentials/srp/Makefile
559   doc/credentials/x509/Makefile
560   doc/cyclo/Makefile
561   doc/doxygen/Doxyfile
562   doc/examples/Makefile
563   doc/latex/Makefile
564   doc/manpages/Makefile
565   doc/reference/Makefile
566   doc/reference/version.xml
567   doc/scripts/Makefile
568   extra/Makefile
569   extra/includes/Makefile
570   libdane/Makefile
571   libdane/includes/Makefile
572   libdane/gnutls-dane.pc
573   gl/Makefile
574   gl/tests/Makefile
575   guile/Makefile
576   guile/modules/Makefile
577   guile/src/Makefile
578   guile/tests/Makefile
579   lib/Makefile
580   lib/accelerated/Makefile
581   lib/accelerated/x86/Makefile
582   lib/algorithms/Makefile
583   lib/auth/Makefile
584   lib/ext/Makefile
585   lib/extras/Makefile
586   lib/gnutls.pc
587   lib/includes/Makefile
588   lib/includes/gnutls/gnutls.h
589   lib/minitasn1/Makefile
590   lib/nettle/Makefile
591   lib/opencdk/Makefile
592   lib/openpgp/Makefile
593   lib/x509/Makefile
594   po/Makefile.in
595   src/Makefile
596   src/crywrap/Makefile
597   tests/Makefile
598   tests/cert-tests/Makefile
599   tests/dsa/Makefile
600   tests/dtls/Makefile
601   tests/srp/Makefile
602   tests/ecdsa/Makefile
603   tests/key-id/Makefile
604   tests/openpgp-certs/Makefile
605   tests/pkcs1-padding/Makefile
606   tests/pkcs12-decode/Makefile
607   tests/pkcs8-decode/Makefile
608   tests/rsa-md5-collision/Makefile
609   tests/safe-renegotiation/Makefile
610   tests/scripts/Makefile
611   tests/sha2/Makefile
612   tests/slow/Makefile
613   tests/suite/Makefile
614   tests/userid/Makefile
615 ])
616
617 AC_OUTPUT
618
619 AC_MSG_NOTICE([summary of build options:
620
621   version:          ${VERSION} shared $LT_CURRENT:$LT_REVISION:$LT_AGE
622   Host type:        ${host}
623   Install prefix:   ${prefix}
624   Compiler:         ${CC}
625   CFlags:           ${CFLAGS}
626   Warning flags:    errors: ${WERROR_CFLAGS} warnings: ${WARN_CFLAGS}
627   Library types:    Shared=${enable_shared}, Static=${enable_static}
628   Valgrind:         $opt_valgrind_tests ${VALGRIND}
629 ])
630
631 AC_MSG_NOTICE([Hardware acceleration/support:
632
633   /dev/crypto:      $enable_cryptodev
634   Hardware accel:   $hw_accel
635   PKCS#11 support:  $with_p11_kit
636   TPM support:      $with_tpm
637 ])
638
639 AC_MSG_NOTICE([Optional features:
640 (note that included applications might not compile properly
641 if features are disabled)
642
643   DTLS-SRTP support:$ac_enable_srtp
644   OCSP support:     $ac_enable_ocsp
645   OpenPGP support:  $ac_enable_openpgp
646   SRP support:      $ac_enable_srp
647   PSK support:      $ac_enable_psk
648   Anon auth support:$ac_enable_anon
649 ])
650
651 AC_MSG_NOTICE([Optional applications:
652
653   crywrap app:      $libidn
654   local libopts:    $enable_local_libopts
655 ])
656
657 AC_MSG_NOTICE([Optional libraries:
658
659   Guile wrappers:   $opt_guile_bindings
660   C++ library:      $use_cxx
661   DANE library:     $enable_dane
662   OpenSSL compat:   $enable_openssl
663 ])
664
665 AC_MSG_NOTICE([System files:
666
667   Trust store pkcs:     $with_default_trust_store_pkcs11
668   Trust store file:     $with_default_trust_store_file
669   CRL file:             $with_default_crl_file
670   DNSSEC root key file: $unbound_root_key_file
671 ])
672
673 if test ! -f "$unbound_root_key_file"; then
674 AC_MSG_WARN([[
675 *** 
676 *** The DNSSEC root key file in $unbound_root_key_file was not found. 
677 *** This file is needed for the verification of DNSSEC responses.
678 *** Use the command: unbound-anchor -a "$unbound_root_key_file"
679 *** to generate or update it.
680 *** ]])
681 fi